APA (7th ed.) Citation

Robinson, P. T., & Stensland, D. H. (1979). Geologic map of the Smith Rock area, Jefferson, Deschutes, and Crook Counties, Oregon. The Survey.

Chicago Style (17th ed.) Citation

Robinson, Paul T., and Donald H. Stensland. Geologic Map of the Smith Rock Area, Jefferson, Deschutes, and Crook Counties, Oregon. Reston, Va.: The Survey, 1979.

MLA (9th ed.) Citation

Robinson, Paul T., and Donald H. Stensland. Geologic Map of the Smith Rock Area, Jefferson, Deschutes, and Crook Counties, Oregon. The Survey, 1979.